int sud1[9][9]={{0,0,0,6,0,0,1,9,0},
		{0,0,0,0,0,0,0,4,7},
		{4,0,0,7,5,1,0,0,0},
		{0,7,0,0,2,0,9,0,8},
		{0,0,3,1,0,9,7,0,0},
		{8,0,2,0,7,0,0,1,0},
		{0,0,0,9,1,3,0,0,6},
		{3,8,0,0,0,0,0,0,0},
		{0,6,7,0,0,8,0,0,0}};
